Home / 52,729.68-79,082.64-15,289.86

Finding the Fourth Proportional to 52,729.68, 79,082.64 and 15,289.86

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Solution

The fourth proportional to 52,729.68, 79,082.64 and 15,289.86 is: 22,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,729.68 : 79,082.64 = 15,289.86 : x
  2. Step 2: Convert to fraction form
    52,729.68/79,082.64 = 15,289.86/x
  3. Step 3: Cross multiply
    52,729.68x = 79,082.64 × 15,289.86
  4. Step 4: Simplify right side
    52,729.68x = 1,209,162,494.03
  5. Step 5: Solve for x
    x = 1,209,162,494.03/52,729.68
  6. Step 6: Final answer
    x = 22,931.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.